Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 Μs; 500 mL sold2026 Total 12 meters long

Total 12 meters long

Both ends have seals

mulch or boxes and more

Automatic Calibration pH Tester - With high sensitive glass probe

Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 Μs; 500 mL sold2026 Total 12 meters longOakton AO 00653 18 Oakton Conductivity and TDS Standard, 1413 s; 500 mL Kcl, NaCl and 442 conversions printed on the bottle for ease of use (excluded on 60 ml bottle, but included in insert) temperature corrections are printed on the bottle, with certified values listed in tables and referenced to 25 degree C (excluded on 60 ml bottle, but included in insert) manufactured under ISO 9000 quality guidelines and traceable to NIST standards If unopened,